[KIKIMR-15108] Add perf programs to build

ref:8f081efde09627da76e52231d32a83e34b78c1e4

1 files changed, 11 insertions, 0 deletions

diff --git a/library/cpp/balloc/setup/enable.h b/library/cpp/balloc/setup/enable.h
new file mode 100644
index 0000000000..78449c1000
--- /dev/null
+++ b/library/cpp/balloc/setup/enable.h
@@ -0,0 +1,11 @@
+#pragma once
+
+namespace NAllocSetup {
+    // The IsEnabledByDefault variable should always have static initialization. It is safe to use it in initialization
+    // of global and thread-local objects because standard guarantees that static initalization always takes place
+    // before dynamic initialization:
+    // * C++11 3.6.2.2: "Static initialization shall be performed before any dynamic initialization takes place."
+    // * C++17 6.6.2.2: "All static initialization strongly happens before any dynamic initialization."
+    // On practice a constant value is just baked into the executable during the linking.
+    extern const bool EnableByDefault;
+}